Data Association

According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?

• About 27%

• About 35%

• About 15%

• About 30%

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Which of the following lines represents the trend line for the scatter plot?

• A

• B

• C

• D

What percentage of survey takers do NOT meditate? Round to the nearest who percentage

• 43%

• 33%

• 30%

• 41%

Estimate the y-intercept of the trend line by looking at the graph.

• 2

• 1.8

• 1.2

• 0

What type of association does this graph have? (a)  

• positive

• negative

• none

• all of the above

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade. 

• No relationship exists between the number of books students read and their English grades. 

What represents the x axis? (a)  

• ABC Company

• Hours Worked

• Amount Earned in Dollars

• Hours in Car

How many people purchased no food and no drink?

Mathematical Equivalence

ON